Taking the piss means to take liberties, or to be unreasonable. It is often used (or confused) with with taking the piss out of which is an expression meaning to mock, tease, ridicule, or scoff. Taking the Mickey (Mickey Bliss, Cockney rhyming slang) or taking the Michael is another term for making fun of someone. These terms are most widely used in the United Kingdom, Ireland, South Africa, New Zealand and Australia.
Usage
The term sometimes refers to a form of mockery in which the mocker exaggerates the other person's characteristics; pretending to take on his or her attitudes, etc., in ...